Finding the Fourth Proportional to 87,173.08, 130,740.18 and 34,568.44
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Solution
The fourth proportional to 87,173.08, 130,740.18 and 34,568.44 is: 51,844.95
Step by Step Solution
- Step 1: Write the proportion equation
87,173.08 : 130,740.18 = 34,568.44 : x - Step 2: Convert to fraction form
87,173.08/130,740.18 = 34,568.44/x - Step 3: Cross multiply
87,173.08x = 130,740.18 × 34,568.44 - Step 4: Simplify right side
87,173.08x = 4,519,484,067.92 - Step 5: Solve for x
x = 4,519,484,067.92/87,173.08 - Step 6: Final answer
x = 51,844.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.